Blend Graham craker crumbs and butter. Press onto bottoms and sides of a pie plate and then chill. In a saucepan, mix sugar, cornstarch and salt.

Separately, mix evaporated milk with water. Add gradually to dry ingredients. Stir over medium heat until thickened. Remove from heat. Stir a small amount into the beaten egg yolks and then add back to pan. Heat for 3 minutes, stirring constantly. Cool quickly.

Chill evaporated milk in ice cube tray until icy. Whip using a rotary beater in a chilled bowl until stiff. Add lemon juice. Whip. Fold in sugar. Spoon onto pie just before serving. Garnish with pineapple and coconut. For a 9″ pie.